Material Removal Processes: Tool materials

The desired properties of cutting tool materials and different types of cutting tool materials used have been described in this lecture.

[@raghavlnaik2687]

Sir,
Every explanation is wonderful i loved it.
But P, M, K usage application seems to be wrong. (at 29 minute in video)
K is for cast iron and not for non ferrous metals
M is for stainless steel and not for cast iron.
Please look into this.

[@ujjwalkumar4912]

thnx sir